def me = 'Tarzan'
def you = 'Jane'
def line = "me $me - you $you"
assert line  == 'me Tarzan - you Jane'
println line


def date = new Date(0);
def out = "Year $date.year Month $date.month day $date.date"
assert out == 'Year 69 Month 11 day 31'
println out


out = "Date is ${date.toGMTString()}"
assert out == 'Date is 1 Jan 1970 00:00:00 GMT'
println out    


